sim-rs: add parent to RBs

Author: SupernaviX

data/simulation/trace.rust.d.ts

@@ -63,6 +63,11 @@ interface RustBlockEvent extends Omit<RustBaseEvent, "message"> {
         transactions?: string[];
         vrf?: number;
         endorsement?: any;
+        parent?: {
+            id: string;
+            slot: number;
+            producer: string;
+        };
     };
 }
 

data/simulation/trace.rust.schema.json

@@ -57,6 +57,20 @@
                 "index": {
                   "type": "number"
                 },
+                "parent": {
+                  "properties": {
+                    "id": {
+                      "type": "string"
+                    },
+                    "producer": {
+                      "type": "string"
+                    },
+                    "slot": {
+                      "type": "number"
+                    }
+                  },
+                  "type": "object"
+                },
                 "transactions": {
                   "items": {
                     "type": "string"

sim-rs/sim-core/src/events.rs

@@ -100,6 +100,7 @@ pub enum Event {
         #[serde(flatten)]
         id: BlockId<Node>,
         vrf: u64,
+        parent: Option<BlockId<Node>>,
         header_bytes: u64,
         endorsement: Option<Endorsement<Node>>,
         transactions: Vec<TransactionId>,
@@ -276,6 +277,7 @@ impl EventTracker {
         self.send(Event::RBGenerated {
             id: self.to_block(block.id),
             vrf: block.vrf,
+            parent: block.parent.map(|id| self.to_block(id)),
             header_bytes: block.header_bytes,
             endorsement: block.endorsement.as_ref().map(|e| Endorsement {
                 eb: self.to_endorser_block(e.eb),

sim-rs/sim-core/src/model.rs

@@ -70,6 +70,7 @@ impl<Node: Display + Serialize> Serialize for BlockId<Node> {
 pub struct Block {
     pub id: BlockId,
     pub vrf: u64,
+    pub parent: Option<BlockId>,
     pub header_bytes: u64,
     pub endorsement: Option<Endorsement>,
     pub transactions: Vec<Arc<Transaction>>,

sim-rs/sim-core/src/sim/node.rs

@@ -696,12 +696,19 @@ impl Node {
             }
         }
 
+        let parent = self
+            .praos
+            .blocks
+            .last_key_value()
+            .map(|(_, block)| block.id);
+
         let block = Block {
             id: BlockId {
                 slot,
                 producer: self.id,
             },
             vrf,
+            parent,
             header_bytes: self.sim_config.sizes.block_header,
             endorsement,
             transactions,